Cal. Code Regs. tit. 22 § 64651.26
Current through Register 2024 Notice Reg. No. 44, November 1, 2024
"Diatomaceous earth filtration" means a process resulting in particulate removal in which a precoat cake of graded diatomaceous earth filter media is deposited on a support membrane (septum) and, while the water is being filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.
Cal. Code Regs. Tit. 22, § 64651.26
Note: Authority cited: Sections 208 and 4023.3, Health and Safety Code. Reference: Sections 4010, 4010.1, 4011, 4012, 4013, 4014, 4016, 4023.1, 4023.3, 4024, 4025, 4026.4, and 4031, Health and Safety Code.